Choate Tool Winchester 1200/1300/ Ranger 120 & Defender 9 Shot Magazine Extension12 Gauge. These extensions are great for law enforcement officers and competition shooters in reducing the time to reload. They are also a must for home protection. These kits are constructed of solid blued steel and come with spring base clamp & follower. Kit includes : 1 Magazine Extension 78 9 or 10 shot 1 Base Clamp 1 High Visibility Shell Follower. 9 Shot Model fits 24? barrel or longer. Specifications for Choate Tool Winchester 1200/1300/ Ranger 120 & Defender 9 Shot Magazine Extension: Manufacturer: Choate Tool Finish: Blued Magazine Capacity: 9 Round Condition: New Country of Origin: USA Features of Choate Tool Winchester 1200/1300/ Ranger 120 & Defender 9 Shot Magazine Extension steel construction. Includes mag extension mag tube spring High Visibility Shell Follower and clamp. Package Contents: Choate Tool Winchester 1200/1300/ Ranger 120 & Defender 9 Shot Magazine Extension Choate Tool CMT-03-04-04: Winchester 1200/1300/ Ranger 120 & Defender 9 Shot Magazine Extension12 Gauge